Microstructure and Wear Resistance of Al-Bi-Ce-Cu Immiscible Alloys

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作者：
Al-Bi-Ce-Cu难混溶合金的凝固组织和耐磨性
机构：
[1] [1,Man, Tiannan
[2] Zhang, Lin
[3] 1,Xiang, Zhaolong
[4] 1,Wang, Wenbin
[5] 1,Huang, Minghao
[6] Wang, Engang
来源：
Wang, Engang (egwang@mail.neu.edu.cn) | 2018年 / Science Press卷 / 47期
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摘要：
The microstructure and wear resistance of Al-Bi-Ce-Cu alloys were investigated. The intermetallic compounds Bi2Ce form and act as heterogeneous nucleation sites of Bi-rich droplets, which promote the nucleation of Bi phase and obtain a dispersed microstructure. The intermetallic compounds Al2Cu locate in the Al-rich matrix and enhance the hardness of the matrix. The wear resistance of alloys is not only dependent on the size of Bi-rich droplets but also dependent on the hardness of the matrix. The refined microstructure and the strengthened hardness improve the wear resistance of Al-Bi alloys. Therefore, Al-Bi-Ce-Cu immiscible alloys is useful as a wear resistance material. © 2018, Science Press. All right reserved.
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